Ian Sample is joined by co-host Madeleine Finlay to find out where the science stands. They also hear from Katherine Tucker, the founder of the Center for Population Health at the University of Massachusetts Lowell. She explains what magnesium is doing in our bodies and the best approach we can take to ensure we are getting enough
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受近期中东安全形势影响，为协助旅客更好地安排出行计划，国航、东航、南航特制定涉及迪拜、阿布扎比、利雅得等相关航线客票特殊处理规定。
"It's a period where the history is not yet written," says Dr Seaman.